## Diagonal 1 of Quadrilateral Solution

STEP 0: Pre-Calculation Summary
Formula Used
d1 = sqrt(Sa^2+Sb^2-(2*Sa*Sb*cos(∠B)))
This formula uses 2 Functions, 4 Variables
Functions Used
cos - Trigonometric cosine function, cos(Angle)
sqrt - Square root function, sqrt(Number)
Variables Used
Diagonal 1 of Quadrilateral - (Measured in Meter) - A Diagonal 1 of Quadrilateral is a straight line joining two opposite corners of the Quadrilateral.
Side A of Quadrilateral - (Measured in Meter) - Side A of Quadrilateral is the measure of the length of the Side A of the Quadrilateral.
Side B of Quadrilateral - (Measured in Meter) - Side B of Quadrilateral is the measure of the length of the side B of the Quadrilateral.
Angle B of Quadrilateral - (Measured in Radian) - Angle B of Quadrilateral is the space between two intersecting lines (side a and side b) or surfaces at or close to the point where they meet.
STEP 1: Convert Input(s) to Base Unit
Side A of Quadrilateral: 10 Meter --> 10 Meter No Conversion Required
Side B of Quadrilateral: 9 Meter --> 9 Meter No Conversion Required
Angle B of Quadrilateral: 70 Degree --> 1.2217304763958 Radian (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
d1 = sqrt(Sa^2+Sb^2-(2*Sa*Sb*cos(∠B))) --> sqrt(10^2+9^2-(2*10*9*cos(1.2217304763958)))
Evaluating ... ...
d1 = 10.9286949907727
STEP 3: Convert Result to Output's Unit
10.9286949907727 Meter --> No Conversion Required
10.9286949907727 10.92869 Meter <-- Diagonal 1 of Quadrilateral
(Calculation completed in 00.004 seconds)
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## < 3 Diagonals of Quadrilateral Calculators

Diagonal 1 of Quadrilateral given Area and Heights of Columns

## Diagonal 1 of Quadrilateral Formula

d1 = sqrt(Sa^2+Sb^2-(2*Sa*Sb*cos(∠B)))

A Quadrilateral is a plane figure that has four sides or edges, and also four corners or vertices. The angles are present at the four vertices or corners of the Quadrilateral. The word ‘Quadrilateral’ is derived from the Latin words ‘quadri,’ which means four, and ‘latus’, which means side.

## How to Calculate Diagonal 1 of Quadrilateral?

How to calculate Diagonal 1 of Quadrilateral using this online calculator? To use this online calculator for Diagonal 1 of Quadrilateral, enter Side A of Quadrilateral (Sa), Side B of Quadrilateral (Sb) & Angle B of Quadrilateral (∠B) and hit the calculate button. Here is how the Diagonal 1 of Quadrilateral calculation can be explained with given input values -> 10.92869 = sqrt(10^2+9^2-(2*10*9*cos(1.2217304763958))).

### FAQ

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